This external sound card offers a quality solution for upgrading you PC or laptop audio. Features This device supports 32 KHz, 44.1 KHz and 48 KHz sampling rate in digital and analog recording, and in digital/analog audio playback. In digital playback mode, it receives an audio stream from the PC via a USB interface and transmits audio data according to AESEBU, IEC60958, SPDIF consumer interface standards. System Requirements: Win98/2000/XP/Win7. Contents 1 x External sound card - External 6 channel (5.1) sound card. - Easy to install - Inputs: SPDIF in, Line in, Mic in. - Outputs: SPDIF out, Front out, Rear out, Cen/Bass out - Supports 32KHz, 44.1KHz and 48KHz sampling rate in digital and analog recording.